Imaging

Machine Vision-Based Pose Estimation System

This system uses ellipse detection for spacecraft autonomous rendezvous and docking (AR&D). Goddard Space Flight Center, Greenbelt, Maryland During on-orbit servicing of non-cooperative satellites, the relative position of the satellite with respect to the servicing vehicle is needed. Non-cooperative satellites do not have devices to assist the pose estimation (such as markers or reflector), so a system that uses the natural features of the satellite to determine its pose needs to be developed.

Posted in: Briefs, TSP, Imaging, Satellites

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Solar Doppler Shift-Based Solar Tracker

Potential applications may be in terrestrial solar thermal collectors. NASA’s Jet Propulsion Laboratory, Pasadena, California This solar tracker integrates a camera with a field of view (FOV) large enough to easily image the entire solar disc — co-boresited with a narrow-band spectrometer that measures the frequency of a Doppler shifted line — with an algorithm designed to drive zero Doppler shift rotation axis of the Sun.

Posted in: Briefs, Imaging, Mathematical models, Optics

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Beam Shaping for CARS Measurements in Turbulent Environments

This approach obtains more reliable quantitative measurements in a scramjet engine. Langley Research Center, Hampton, Virginia Taking measurements in a scramjet engine is particularly challenging because of the harsh testing environment. Any probe inserted in the flow would generate shock waves, strongly perturbing the flow. Coherent Anti-Stokes Raman spectroscopy (CARS) is a non-intrusive laser-based measurement technique that has been implemented successfully to measure temperature and species concentrations in ducted scramjet engines.

Posted in: Briefs, Imaging, Scramjet engines, Test procedures

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New Electron Microscopy Method Sculpts 3-D Structures at Atomic Level

Electron microscopy researchers at the Department of Energy’s Oak Ridge National Laboratory have developed a unique way to build 3-D structures with finely controlled shapes as small as one to two billionths of a meter. The new technique demonstrates how scanning transmission electron microscopes, normally used as imaging tools, are also capable of precision sculpting of nanometer-sized 3-D features in complex oxide materials.

Posted in: Articles, News, Imaging

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Onion-Like Layers Help New Nanoparticle Glow

A new, onion-like nanoparticle could open new frontiers in bioimaging, solar energy harvesting and light-based security techniques.

Posted in: Articles, News, Energy, Solar Power, Imaging

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High-Speed ‘Electron Camera’ Captures Motion — One Quadrillionth of a Second at a Time

Using a method known as ultrafast electron diffraction (UED), a scientific instrument at the Department of Energy’s SLAC National Accelerator Laboratory, located in Menlo Park, CA, reveals nature’s high-speed processes, including phase changes and the motions of electrons and atomic nuclei within molecules.

Posted in: Articles, Imaging, Imaging and visualization

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Finding the Right Lens: The Factors to Focus On

A sharp image requires more than just a good camera; it also takes the right lens. Several aspects must be considered to make sure that the camera and lens work perfectly together and fit a specific application.

Posted in: Articles, Imaging, Imaging and visualization

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From 2D to 3D: MARVEL Tool Offers Immersive View Inside the Brain

Thanks to a partnership between a surgeon and NASA’s Jet Propulsion Laboratory (JPL), a new camera system could improve minimally invasive surgeries and provide 3D endoscopic images of the brain.

Posted in: Application Briefs, Articles, Imaging, Imaging and visualization, Medical, health, and wellness

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Imaging Software

ARM-based Z series Smart Cameras from Vision Components (Ettlingen, Germany/ Hudson, NH) are now available with HALCON Embedded software. The software features an integrated development environment and a comprehensive library for blob analysis, morphology, matching, measuring, and identification.

Posted in: Products, Imaging, Manufacturing & Prototyping

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CMOS Cameras

The Imaging Source (Charlotte, NC) has announced new industrial cameras equipped with the Sony Full HD WDR Sensor IMX174. The cameras are available as GigE (PoE) and USB 3 versions in monochrome and color. At full HD, the devices achieve a maximum frame rate of 54 fps; at VGA resolution up to 120 fps. Barcode software, for on-screen measurement and image capture, is included. Other features: integrated HDR/WDR (High/Wide Dynamic Range); C/CS- or S-Mount; and drivers for LabView, HALCON, MERLIC, VisionPro, DirectX, Twain, and NeuroCheck. For Free Info Visit: http://info.hotims.com/55596-144

Posted in: Products, Imaging, Manufacturing & Prototyping

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